Base | Representation |
---|---|
bin | 10000110010001… |
… | …01010111000000 |
3 | 100210221001001221 |
4 | 20121011113000 |
5 | 242020341110 |
6 | 21545404424 |
7 | 3326503015 |
oct | 1031052700 |
9 | 323831057 |
10 | 140793280 |
11 | 72524091 |
12 | 3b199714 |
13 | 23227444 |
14 | 149ad70c |
15 | c5617da |
hex | 86455c0 |
140793280 has 56 divisors (see below), whose sum is σ = 336938112. Its totient is φ = 56036352.
The previous prime is 140793277. The next prime is 140793313. The reversal of 140793280 is 82397041.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70374 + ... + 72346.
It is an arithmetic number, because the mean of its divisors is an integer number (6016752).
Almost surely, 2140793280 is an apocalyptic number.
140793280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140793280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168469056).
140793280 is an abundant number, since it is smaller than the sum of its proper divisors (196144832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140793280 is a wasteful number, since it uses less digits than its factorization.
140793280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2213 (or 2203 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 140793280 is about 11865.6344120321. The cubic root of 140793280 is about 520.2283021179.
The spelling of 140793280 in words is "one hundred forty million, seven hundred ninety-three thousand, two hundred eighty".
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